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Monogram Announces First Quarter 2007 Financial Results

May 2, 2007
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SOUTH SAN FRANCISCO, Calif., May 2 /PRNewswire-FirstCall/ — Monogram Biosciences, Inc. today reported financial results for the quarter ended March 31, 2007.

First Quarter Results

The Company had revenue of $9.4 million for the first quarter of 2007, compared to revenue of $13.2 million for the first quarter of 2006. Revenue from the Company’s HIV testing products was $9.1 million in the first quarter of 2007 compared to $12.2 million for the same period in 2006. Overall revenue was affected by a reduction in our revenue from Pfizer. Due to Pfizer’s successful completion in mid-2006 of the phase III clinical trial for maraviroc, our revenue from Pfizer, which was $4.3 million in the first quarter of 2006, was reduced to $1.0 million in this year’s first quarter. With the trial completed, testing activity was greatly reduced pending completion of the FDA’s review of Pfizer’s NDA for maraviroc. Last week, an advisory panel unanimously recommended to the FDA that maraviroc be approved and we are looking forward to the new revenue opportunity that the anticipated approval of maraviroc provides for our Trofile(TM) Assay.

In preparation for the commercial launch of our Trofile Assay, we have been gearing up our organization and programs in anticipation of FDA approval of maraviroc as well as continuing to advance our oncology development program. As a result of both these factors and the reduced revenue, we incurred a net loss of $9.8 million, or $0.07 per common share, in the first quarter of 2007, compared to a net loss of $3.4 million, or $0.03 per common share, for the same period in 2006.

The Company had $42.3 million in cash resources (comprising cash, cash equivalents and short-term investments) at March 31, 2007.

Monogram’s Trofile Assay and Pfizer’s maraviroc

“The opportunity for our Trofile Assay took a significant step forward last week when an FDA advisory committee voted unanimously to recommend that Pfizer’s investigational CCR5 antagonist, maraviroc, be approved for use with treatment-experienced patients with CCR5-tropic HIV-1,” said William Young, Monogram chief executive officer. “Trofile is the only diagnostic proven in clinical studies to identify whether patients are CCR5-tropic and has been used in all clinical trials of CCR5 antagonists to date, including that for Pfizer’s maraviroc. We believe the advisory panel’s recommendation is a very significant development for Monogram, as well as for the tens of thousands of patients who may soon be able to benefit from a new and exciting therapeutic option as a direct result of Monogram’s molecular diagnostics.”

Although not bound by the advisory committee’s recommendations, the FDA usually follows them. Information provided by Pfizer to the FDA’s advisory panel indicates that “the results in treatment-experienced patients with CCR5-tropic versus non CCR5-tropic HIV-1 provide clinical data validating Monogram’s Trofile Assay as an effective and appropriate means to identify patients with CCR5-tropic HIV-1 and who are therefore likely to respond to maraviroc.” Pfizer has previously reported clinical data that confirms that patients, when properly selected with Monogram’s Trofile Assay, respond well to maraviroc and achieve a significant reduction in viral load.

“Our plans for commercializing Trofile in the U.S. are well in hand,” continued Young. “Operationally, our clinical laboratory is prepared for commercial testing, with a proven track record derived from performing over 23,000 Trofile Assays since 2004, and tens of thousands of phenotypic and genotypic resistance tests annually, including the PhenoSenseGT(TM) assay that was used to optimize background therapy in the clinical trials of maraviroc.”

“We are ready to make our Trofile Assay available commercially as soon as maraviroc is approved,” said Monogram CEO William Young. “We intend to bring Trofile to the HIV physician community through our existing sales, marketing and distribution channels throughout the U.S. We believe that our sales force is well positioned to communicate the benefits of our technology to physicians, payers and medical providers and we have held initial meetings with several of the larger public and private payers,” continued Young. “We believe that payers and providers have a positive view of the ability to select suitable patients for therapy and our goal is to obtain reimbursement as soon as possible after maraviroc is approved.”

Assays for Oncology

“We continue to make progress toward our initial goal of commercializing assays for predicting patient response to targeted therapies in breast cancer,” added Young. “Less than 50% of patients selected for treatment with Herceptin by currently available tests (IHC and/or FISH) respond, so we believe there is a clear market need for the kind of information that we believe our eTag(TM) assays can provide.”

“We intend that our portfolio of assays for the EGFR/Her pathway will ultimately include assays that quantitate the levels of individual receptor monomers (Her1, Her2 and Her3), homo-dimers (Her1:1 and Her2:2), and hetero-dimers (Her1:2, Her2:3 and various modified forms of these receptors including p95/Her2). We are developing this portfolio of assays to provide information that will not only allow physicians to identify susceptibility to individual drugs but also to identify appropriate combinations of drugs based on resistance pathways that are activated in particular patients.”

   Recent progress includes:    — Abstracts detailing our findings in the first two clinical cohorts       have been accepted for presentation at ASCO.  These studies examine       correlations between eTag assay measurements and clinical outcomes.    — An abstract describing patterns of homo- and hetero-dimers in cell       lines with resistance to Herceptin has been accepted for presentation       at ASCO.    — Manuscripts describing the eTag methodology and initial results in two       clinical cohorts of patients with metastatic breast cancer are in       preparation and nearing submission for publication.    — An additional cohort of metastatic breast cancer patients has been       tested and analyses are ongoing.  Preliminary data appear consistent       with prior observations.    — Multiple additional collaborations involving clinical cohorts in both       the metastatic and adjuvant settings are in progress.    — The first assays in our planned portfolio are undergoing technical       validation in the Company’s CLIA certified clinical laboratory in       preparation for commercial introduction of a first product in breast       cancer.    Capital Structure  

At March 31, 2007, a total of 131.8 million shares of common stock were outstanding. Stock options and warrants are outstanding on 21.6 million shares and 0.8 million shares of common stock, respectively. The principal amount of Pfizer’s $25 million convertible note, issued in May 2006, is convertible into approximately 9.2 million shares of common stock. The $30 million principal amount of our 0% Convertible Senior Unsecured Notes, issued in January 2007, is convertible into approximately 11.9 million shares of common stock.

Non-GAAP Proforma Results

The Company is reporting non-GAAP proforma results which exclude certain items to provide a clearer view of ongoing expenses without the impact of merger-related costs and non-cash valuation adjustments related to our convertible debt. A reconciliation of these non-GAAP proforma results to GAAP results is included with the Statement of Operations data attached to this release.

In prior quarters, we have reported non-GAAP proforma information that excludes the effect of stock compensation, since there was a lack of comparability in the information reported in our statement of operations for stock compensation under different accounting rules in 2005 and 2006. However, since for 2007, the statement of operations for the current year and the immediately preceding year are both presented on the same basis in accordance with SFAS 123R we are no longer excluding these non cash items from proforma net loss. Stock-based compensation in accordance with SFAS 123R was $1.2 million in the first quarter of 2007, compared to $1.8 million in the prior year’s first quarter.

The following non-cash items that were reflected in non-operating income and expense for the periods ended March 31, 2007 and 2006 are excluded from proforma net loss:

    — “Mark-to-market” adjustments to the 3% Senior Secured Convertible Note       and the 0% Convertible Senior Unsecured Debt.  There were no such       adjustments in the prior year and a charge of $16,000 in the quarter       ended March 31, 2007.  Such adjustments could be substantially higher       in future quarters in certain circumstances, such as if the Company’s       common stock price is higher than the March 31, 2007 level of $1.94       per share.    — “Mark-to-market” adjustments in 2006 to the liability established for       the payment on the CVRs issued as part of the merger consideration for       ACLARA.   As the outstanding CVR’s were settled in the second quarter       of 2006, adjustments are not relevant for third and fourth quarters of       2006 or for 2007.  These adjustments were $14,000 (favorable) in the       first quarter of 2006.    Conference Call Details  

Monogram will host a conference call today at 4:30 p.m. Eastern Time. To participate in the live teleconference please call (800) 565-5442 or (913) 312-1298 for international callers, fifteen minutes before the conference begins. Live audio of the call will be simultaneously broadcast over the Internet and will be available to members of the news media, investors and the general public. Access to live and archived audio of the conference call will be available by following the appropriate links at http://www.monogrambio.com/ and clicking on the Investor Relations link. Following the live broadcast, a replay of the call will also be available at (888) 203-1112, or (719) 457-0820 for international callers. The replay passcode is 4138334.

The information provided on the teleconference is only accurate at the time of the conference call, and Monogram assumes no obligation to provide updated information except as required by law.

About Monogram

Monogram is advancing individualized medicine by discovering, developing and marketing innovative products to guide and improve treatment of serious infectious diseases and cancer. The Company’s products are designed to help doctors optimize treatment regimens for their patients that lead to better outcomes and reduced costs. The Company’s technology is also being used by numerous biopharmaceutical companies to develop new and improved anti-viral therapeutics and vaccines as well as targeted cancer therapeutics. More information about the Company and its technology can be found on its web site at http://www.monogrambio.com/.

Forward Looking Statements

Certain statements in this press release and attached supplemental information are forward-looking. These forward-looking statements include references to the potential for an HIV drug that requires a molecular diagnostic for patient selection, FDA approval of maraviroc, plans for further development of the eTag technology and anticipated clinical validation and laboratory validation in a CLIA setting, expected protection provided by recently allowed patents, our ability to advance its opportunities in HIV and oncology, activities expected to occur in connection with the Pfizer collaboration, and the statements under “Outlook.” These forward-looking statements are subject to risks and uncertainties and other factors, which may cause actual results to differ materially from the anticipated results or other expectations expressed in such forward-looking statements. These risks and uncertainties include, but are not limited to: the risk that maraviroc will not be approved by the FDA; the risk that regulatory authorities may not require or recommend a molecular diagnostic for patient selection for maraviroc or other HIV drugs, risks related to the implementation of the collaboration with Pfizer; risks related to our ability to recognize revenue from activities under the collaboration with Pfizer; risks and uncertainties relating to the performance of our products; the growth in revenues; the size, timing and success or failure of any clinical trials for CCR5 inhibitors, entry inhibitors or integrase inhibitors; the use of our Trofile Assay for patient use in the event of approval of any CCR5 inhibitors; the ability of our eTag assays to predict response to particular therapeutic agents, our ability to obtain additional cohorts of patient samples for additional studies, our ability to successfully conduct clinical studies and the results obtained from those studies; whether larger confirmatory clinical studies will confirm the results of initial studies; our ability to establish reliable, high-volume operations at commercially reasonable costs; expected reliance on a few customers for the majority of our revenues; the annual renewal of certain customer agreements; actual market acceptance of our products and adoption of our technological approach and products by pharmaceutical and biotechnology companies; our estimate of the size of our markets; our estimates of the levels of demand for our products; the impact of competition; the timing and ultimate size of pharmaceutical company clinical trials; seasonal effects on revenue due to holiday periods which often affect the first and third quarters; whether payers will authorize reimbursement for our products and services; whether the FDA or any other agency will decide to further regulate our products or services, whether the draft guidance on Multivariate Index Assays recently issued by FDA applies to our current or planned products; whether we will encounter problems or delays in automating our processes; the ultimate validity and enforceability of our patent applications and patents; the possible infringement of the intellectual property of others; whether licenses to third party technology will be available; whether we are able to build brand loyalty and expand revenues; restrictions on the conduct of our business imposed by the Pfizer and Merrill Lynch debt agreements; the impact of additional dilution if our convertible debt is converted to equity; and whether we will be able to raise sufficient capital in the future, if required. For a discussion of other factors that may cause actual events to differ from those projected, please refer to our most recent annual report on Form 10-K and quarterly reports on Form 10-Q, as well as other subsequent filings with the Securities and Exchange Commission. We do not undertake, and specifically disclaim any obligation, to revise any forward-looking statements to reflect the occurrence of anticipated or unanticipated events or circumstances after the date of such statements.

PhenoSense, PhenoSenseGT, Trofile and eTag are trademarks of Monogram Biosciences, Inc.

                         MONOGRAM BIOSCIENCES, INC.                   SELECTED STATEMENT OF OPERATIONS DATA                  (In thousands, except per share amounts)                                (Unaudited)                                                        Three Months Ended                                                           March 31,                                                    2007              2006    Revenue:   Product revenue                                 $9,099           $12,246   Contract revenue                                   318             1,003    Total revenue                                    9,417            13,249    Operating costs and expenses:   Cost of product revenue                          5,705             5,681   Research and development                         5,331             4,575   Sales and marketing                              3,943             3,378   General and administrative                       4,228             3,581    Total operating costs and expenses              19,207            17,215    Operating loss                                  (9,790)           (3,966)    Interest and other income, net                      45               599   Convertible debt valuation adjustment              (16)              –   CVR valuation adjustment                           –                  14    Net loss                                        (9,761)           (3,353)    Net loss per common share, basic                $(0.07)           $(0.03)    Weighted-average shares used in    computing basic net loss per common share     131,582           129,614    Reconciliation of Non-GAAP Proforma    Results to GAAP   Net loss                                       $(9,761)          $(3,353)   Adjustments for certain non-cash items:   CVR valuation adjustment                           –                 (14)   Convertible debt valuation adjustment               16               –   Non-GAAP Proforma net loss                      (9,745)           (3,367)    Non-GAAP Proforma net loss per common    share, basic                                   $(0.07)           $(0.03)    

Management believes that this non-GAAP proforma financial data supplements the Company’s GAAP financial statements by providing investors with additional information which allows them to have a clearer picture of the Company’s operations, financial performance and the comparability of the Company’s operating results from period to period as they exclude the effects in 2007 of revaluation of the Company’s convertible debt and the effects in 2006 of revaluation of the contingent value rights issued in connection with the Company’s merger with ACLARA that management believes are not indicative of the Company’s ongoing operations. The presentation of this additional information is not meant to be considered in isolation or as a substitute for results prepared in accordance with GAAP. Above, management has provided a reconciliation of the non-GAAP proforma financial information with the comparable financial information reported in accordance with GAAP.

                         MONOGRAM BIOSCIENCES, INC.                        SELECTED BALANCE SHEET DATA                               (In thousands)                                (Unaudited)                                                   March 31,       December 31,                                                   2007              2006   ASSETS                                                          (Note 1)   Current assets:     Cash and cash equivalents                    $28,336            $8,263     Short-term investments                        13,942            22,867     Accounts receivable, net                       7,006             6,849     Prepaid expenses                               1,092             1,234     Inventory                                        948               961     Other current assets                             415               378       Total current assets                        51,739            40,552   Property and equipment, net                      7,302             7,463   Goodwill                                         9,927             9,927   Deferred costs                                   2,498             1,783   Other assets                                     2,781             1,120       Total assets                               $74,247           $60,845    LIABILITIES AND STOCKHOLDERS’ EQUITY   Current liabilities:     Accounts payable                              $1,536            $1,271     Accrued compensation                           2,503             2,258     Accrued liabilities                            4,151             4,720     Current portion of restructuring costs           807             1,128     Deferred revenue                               1,029               404     Current portion of loans payable and      capital lease obligations                     4,112             6,355     Contingent value rights                        2,834             2,813       Total current liabilities                   16,972            18,949   Long-term 3% convertible promissory note        23,457            25,000   Long-term 0% convertible promissory note        24,102                 –   Long-term portion of restructuring costs           723               868   Long-term deferred revenue                       2,413             1,783   Other long-term liabilities                        466               337       Total liabilities                           68,133            46,937    Stockholders’ equity:     Common stock                                     132               131     Additional paid-in capital                   279,790           277,892     Accumulated other comprehensive loss             (56)             (124)     Accumulated deficit                         (273,752)         (263,991)       Total stockholders’ equity                   6,114            13,908          Total liabilities and          stockholders’ equity                    $74,247           $60,845    (1)  The balance sheet data at December 31, 2006 is derived from audited   financial statements included in the Company’s Annual Report on Form 10-K   for the year ended December 31, 2006 filed with the Securities and   Exchange Commission.                            MONOGRAM BIOSCIENCES, INC.                          SUPPLEMENTAL INFORMATION    

To provide additional insights to investors, the following information is provided in a question and answer format.

   HIV   1. What is the status of the opportunity for Monogram’s Trofile Assay with      Pfizer’s maraviroc?       On April 24, U.S. Food and Drug Administration’s (FDA) Antiviral Drugs      Advisory Committee voted unanimously to recommend that collaborator      Pfizer, Inc.’s  investigational HIV medication, maraviroc,      be approved for use along with other antiretroviral agents for      treatment-experienced adult patients infected with CCR5-tropic HIV-1.      Although not bound by the Advisory Committee’s recommendations, the FDA      usually follows them.   If approved, maraviroc would be the first      member of a new class of oral HIV medicines in more than a decade.       Monogram’s Trofile(TM) Assay has been used to select patients for the      clinical trials of maraviroc.  The CCR5 class of drug blocks the use by      HIV of the patient’s CCR5 co-receptor, if this co-receptor is being      used for entry by HIV into cells.  In later stage patients, the CCR5      co-receptor is in use only in approximately half of patients.      Accordingly, knowing whether the CCR5 co-receptor is being used by HIV      in a particular patient is critical for drug efficacy, and potentially      for drug safety.  Information provided by Pfizer to the advisory      panel indicates that “the results in treatment-experienced patients      with CCR5-tropic versus non CCR5-tropic HIV-1 provide clinical data      validating Monogram’s Trofile Assay as an effective and appropriate      means to identify patients with CCR5-tropic HIV-1 and who are therefore      likely to respond to maraviroc.”       Following the FDA panel recommendation, we anticipate that maraviroc      may be approved by the FDA by summer, although this is not assured.      While the ultimate drug labeling will not be known till maraviroc is      approved, there was extensive discussion in the FDA panel meeting      regarding the Trofile Assay and we believe there may be a role for our      test in clinical use of maraviroc after approval.  We have begun      working with public and private payers to achieve coverage and      reimbursement by these payers.       Operationally, our clinical lab is prepared for the potential      commercial introduction of Trofile. Over 23,000 Trofile Assays have      been performed since 2004 in Monogram’s CLIA certified laboratory.      After approval, all Trofile Assays will be run in this same clinical      laboratory.  Currently our turnaround time in performing the Trofile      Assay, like our phenotypic resistance tests, is approximately two      weeks.  Trofile is the only diagnostic proven in clinical studies to      identify whether patients are CCR5-tropic and has been used in all      clinical trials of CCR5 antagonists to date. In addition, Monogram      performs tens of thousands of phenotypic and genotypic resistance tests      annually, including the PhenoSenseGT(TM) assay that was used to      optimize background therapy in the clinical trials of maraviroc.       We are ready to make our Trofile Assay available commercially as soon      as maraviroc is approved. We intend to bring Trofile to the HIV      physician community through our existing sales, marketing and      distribution channels throughout the U.S. These channels have been used      successfully for our phenotypic and genotypic resistance tests and we      believe that this existing sales and marketing organization, comprising      66 sales, marketing and support personnel, is well placed to      communicate the value of Trofile to physicians.       Additional studies are underway to determine maraviroc’s effectiveness      in treatment-naive patients.       The panel’s recommendation is the latest in a series of benchmarks in      recent months for maraviroc, and Trofile including:      — completion of the phase III trial and submissions by Pfizer for         regulatory  approval of maraviroc in the U.S., Canada and the         European Union (December 2006)      — acceptance of the marketing approval applications for accelerated         review by the FDA and by Canadian and European Union regulatory         agencies (February 2007)      — presentation by Pfizer of the phase III clinical trial results         indicating good safety and efficacy profile for maraviroc (February         2007)      — initiation by Pfizer of a worldwide expanded access program for         maraviroc (February 2007)      — unanimous recommendation by an FDA advisory panel for maraviroc to         be approved (April 2007)     2. What about the CCR5 class as a whole?       Other CCR5 antagonists are in development.  The most advanced of these      is Schering Plough’s vicriviroc, which is in ongoing clinical      development.   Our testing services have been used in all clinical      programs of CCR5 antagonists conducted to date, for patient selection      and monitoring utilizing our Trofile Assay, and for optimization of      patients’ background treatment regimens utilizing our PhenoSenseGT      test.     3. What is the nature of the collaboration agreement with Pfizer?       The collaboration agreement announced in May 2006 provides a framework      in which Pfizer and Monogram are collaborating to make our Trofile      Assay available globally.  This collaboration puts in place      arrangements that are designed to make sure that the test can be      available in countries outside of the U.S. where Pfizer, after      regulatory approval, wishes to commercialize maraviroc.  The agreement      covers commercialization of Trofile outside the U.S., where Pfizer will      take the lead in commercializing the assay.  In the U.S., Monogram will      be responsible for all aspects of commercializing Trofile.     4. What are the economic aspects of the agreements with Pfizer?       There are two separate aspects to the arrangements with Pfizer.  The      first was a $25 million financing that is described in the Financial      section of this Q&A.  The second is a collaboration that is designed to      make Trofile available globally.       Outside of the U.S. Pfizer will lead the commercial effort and so will      be responsible for, and incur the costs of marketing, sales,      reimbursement and regulatory matters.  We will be responsible for      logistics and medical education in those countries where Pfizer elects      to market maraviroc.   However, Pfizer will reimburse us for all of our      costs incurred in these activities.   These costs are potentially      substantial, but, due to Pfizer’s funding obligation, is not expected      to place a burden on our cash flows.  Through the first quarter of      2007, such costs, reimbursable by Pfizer, amounted to $2.5m.  Pfizer      will also buy tests from Monogram.       For details of how revenue and expenses will be recognized for this      collaboration, refer to the Financial section of this Q&A.     5. How does the collaboration with Pfizer affect the U.S. market?       While we may work collaboratively with Pfizer’s commercial organization      after approval of maraviroc, we will have full control over our U.S.      marketing activities.  We will independently set our commercial price      for the Trofile Assay and obtain reimbursement for the assay.  We have      already had initial discussions with some of the larger public and      private payers to introduce Trofile and its potential value in clinical      use of CCR5 antagonists.  Our goal is to achieve appropriate coverage      and reimbursement as soon as possible after drug approval.  Refer also      to question 1 above.     6. What is the significance of the integrase class of HIV drugs to      Monogram’s business?       Our tests have been used in the clinical development programs of the      new integrase drugs for optimization of background therapy, prior to      addition of the new investigational drug.  We also have an assay      available for research use in assessing resistance to integrase      inhibitors.  This assay will be available as a CLIA approved test when      clinically relevant after the potential approval of the drugs.       Monogram’s current resistance tests assess resistance of patients’      virus to the existing classes of drugs, including the one currently      marketed entry inhibitor, Fuzeon(R) from Roche.  The advent of CCR5      antagonists and integrase inhibitors add both to the richness of      potential treatment options for patients and also to the potential      testing opportunity for Monogram.  For us, this means opportunity not      only for our current genotypic and phenotypic tests but also for our      new class-specific resistance tests for these classes.  As the range of      therapeutic options becomes more varied and complex, we believe that      the need for sophisticated testing will increase.     7. What is the proprietary nature of your tests for tropism and HIV entry?       Our tropism and entry tests are covered by our fundamental patents for      phenotypic analysis.   In addition, in May 2006 we received four      notices of allowance from the U.S. Patent Office related to the use of      Monogram’s PhenoSense(TM) technology for assessing the likely efficacy      of entry inhibitors, a new class of drug that prevents HIV from      entering cells.  Two of these patents have subsequently issued.      Monogram’s tests measure co-receptor tropism and the susceptibility or      resistance of HIV to entry inhibitors, critical elements in the      development and use of these new drugs.  The phenotypic approach      covered by these allowed patents is able to directly and accurately      assess the susceptibility or resistance of a patient’s HIV to entry      inhibitors, and to determine to what extent a patient’s virus is able      to gain entry into cells via one or other, or a mixture, of the two      major co-receptors, CCR5 or CXCR4, that are used in conjunction with      the virus’ primary receptor, CD4.  The allowed patents cover an      approach that is able to directly assess resistance to entry      inhibitors, the identification of co-receptor usage, screening for new      entry inhibitor compounds and an antibody response capable of blocking      infection.  Monogram’s assays utilizing these methods include the      PhenoSense Entry Assay that assesses resistance of HIV to all classes      of entry inhibitor drugs and the Trofile Assay that identifies the      ability of a patient’s HIV to enter cells using specific co-receptors      such as CCR5.  We believe these patents are important because the      envelope region of the virus (the area involved in cell entry) has a      particularly heterogeneous genetic sequence. This renders genotypic      methods significantly less effective for measuring co-receptor tropism      and resistance to specific viral entry inhibitors, giving Monogram’s      phenotypic methods significant advantages.     8. Is there published data available related to your Trofile Assay?       In February 2007, Pfizer reported the results of its phase III studies      of maraviroc at the 14th Conference on Retroviruses and Opportunistic      Infections (CROI).   A 24 week analysis showed that approximately twice      as many patients receiving maraviroc with an optimized background      regimen achieved undetectable virus in the blood than if an optimized      regimen was given alone.  In addition, patients receiving maraviroc and      an optimized regimen saw an increase in CD4 cells nearly twice that      seen in those receiving optimized regimen alone. Adverse events in the      group receiving maraviroc plus an optimized regimen were similar to      those receiving an optimized regimen alone when adjusted for duration      of exposure. Pfizer reported that the data from the two identical      studies are remarkably consistent and demonstrate significant decreases      in viral load and increases in CD4 cells when maraviroc is added to the      standard optimized treatment regimen.  These results were obtained by      utilizing Monogram’s Trofile test to confirm in advance whether a      patient is infected with CCR5-tropic HIV.       Previously, four studies demonstrating the utility and clinical      significance of our Trofile Assay were presented in August 2006 at the      XVI International AIDS Conference in Toronto.       The first study, presented by Monogram scientists, confirmed that the      Trofile Assay can accurately characterize the tropism of a panel of      diverse HIV strains.  Our scientists used the assay to evaluate the co-      receptor tropism of a panel of 46 well-characterized strains of HIV-1      that included multiple subtypes (CCR5, CXCR4, or dual/mixed      tropism (DM)).  The assay accurately measured the tropism of all 46      strains.  The assay also was accurate when tested against three clonal      viruses (CCR5, CXCR4 and DM). When CCR5 and CXCR4 clones were mixed      together, the assay was able to detect minor variants down to 10      percent in all samples tested, and to 5 percent in 83 percent of      samples tested.  The data show that Monogram’s Trofile Assay is an      accurate, precise, sensitive, reproducible and robust assay for the      measurement of tropism and support its use as the standard assay for      patient screening and monitoring in the development of co-receptor      antagonists.       The second study, also presented by Monogram scientists, compared the      abilities of V3 sequencing and Monogram’s Trofile Assay to accurately      characterize tropism. V3 sequencing examines the genetic sequence of      only the V3 region of the envelope gene of HIV taken from a patient and      uses algorithms to predict co-receptor tropism. The Trofile Assay uses      the entire envelope gene taken from the patient’s virus to measure      viral tropism directly. The study used patient-derived virus sequences      representing multiple subtypes of HIV-1, and found that sensitivity for      detection of viruses using the CXCR4 co-receptor varied widely      depending on viral sub-type and on the interpretation system used. In      comparison to phenotypic analysis with Trofile, which accurately and      directly measures co-receptor usage, genotypic measures, on average,      were only approximately 65% accurate, and in many cases were even less      accurate. These results demonstrate that genotypic approaches are      inferior for assessing tropism when compared with Trofile.   This is      because the region of the virus involved in cellular entry has a      particularly heterogeneous genetic sequence, which renders genotypic      methods significantly less effective.       In a study presented by scientists from Pfizer, Inc., the negative      predictive value of Monogram’s Trofile Assay was assessed in an ongoing      Phase III trial of Pfizer’s investigational CCR5 antagonist, maraviroc      (Study 1029).  Results showed that patients identified by the assay as      having virus using BOTH the CXCR4 and CCR5 receptors (dual/mixed      tropic) did not respond to the investigational (CCR5) therapy.  These      data suggest that screening patients with the Trofile Assay will allow      physicians to avoid treating patients with expensive drug therapy who      are unlikely to respond to that therapy.       A study presented by investigators from the AIDS Clinical Trial Group      5211 study team and Schering Plough demonstrated the positive      predictive value of the assay in patients participating in a Phase IIb      trial of Schering-Plough’s investigational CCR5 antagonist vicriviroc.      In this study, patients identified by the assay as having virus      utilizing only the CCR5 co-receptor demonstrated clinical responses to      the investigational therapy.       These two studies involving Pfizer’s maraviroc and Schering Plough’s      vicriviroc, suggest that the Trofile Assay is an effective method of      identifying appropriate patients for treatment with CCR5 antagonists.      By virtue of its high positive and negative predictive values, the      Trofile Assay is highly capable of ensuring that individuals receive      treatments that are most likely to provide them with clinical benefit.     9. What will be the impact of possible FDA regulation?       In September 2006, the FDA issued draft guidance related to the      regulation of certain kinds of test provided through CLIA labs.  This      draft guidance was subject to public comment and may be revised before      being finalized.  We do not believe that the guidance is intended to      regulate all CLIA-based lab tests.  Rather it appears to be focused on      a subset of tests referred to as IVD Multivariate Index Assays where      multiple variables are analyzed, using complex statistical proprietary      algorithms and the reported results may not be readily understood by      physicians.       With regard to our HIV business, we do not currently believe that our      products will be affected by this draft guidance for the following      reasons:      — First, our phenotypic resistance tests and our co-receptor tropism         test are all direct biological measurements and are not the kind of         “black box” algorithms on which the draft guidance appears to be         focused      — Second, the FDA is familiar with genotypic HIV tests and, to our         knowledge, has made no indication that it intends the draft guidance         to be applied to these tests. In addition,  gene mutations in HIV         have been widely published in medical literature and are well         understood by physicians such that they do not seem to fit the         “black box”  algorithm characterization      — Third, with respect to our Trofile Assay, because of the role of our         Trofile Assay in the phase II and phase III clinical evaluation of         CCR5 antagonists, we have had direct interactions with the FDA and         in 2004 filed a Master File on our Trofile Assay with the FDA which         provided the agency substantial performance characteristics and         validation data on the Trofile Assay.  However, because of the         significance of Trofile to use of maraviroc, the FDA may have an         interest in the assay and it is not clear what regulatory approach         the FDA may take.  The FDA has, however, indicated that it does not         intend to take precipitous regulatory action that would delay the         availability of maraviroc to patients.       With regard to our potential eTag products for oncology, we will      continue to monitor the evolution of the regulatory situation and will      be actively engaged in the process both through direct interaction with      the FDA and through trade groups.  Our eTag assays are currently      designed to make direct biological measurements of proteins and protein      dimers and facilitate predictions based on a clear biological      rationale.  As such, they may be viewed as different from the “black      box” algorithm based tests that the draft guidance is intended to      reach, though at this time we cannot make this determination.       However, in the evolving area of molecular diagnostics, it is not clear      when or what delineations will be made in determining applicability of      the draft guidance once finalized and we are currently unable to      predict the applicability of such final guidelines or whether any      additional regulations will be proposed which might impact our current      or future products.     Oncology   10. What is eTag technology?  How will eTag assays be used?        Our eTag assays enable detailed analysis of activated protein drug       targets and signaling pathways in cancer cells, including FFPE       samples, which is the standard format in most pathology labs. The       unique capability of eTag assays is the ability to directly measure,       quantitatively and precisely, activated pathway status by measuring       protein complexes, not just indirect measures such as gene mutations       and gene expression levels. The assays are designed to provide       information on a drug’s mechanism of action, selectivity and potency       in a biological setting in pre-clinical research, and enable       enrichment or selection of clinical trial populations later in a       drug’s development. In addition, we believe these assays may       ultimately be used to help physicians better determine whether certain       therapies are more appropriate for individual cancer patients, and       whether to combine therapies with different mechanisms or properties       for such patients.     11. What will your first commercial oncology product be?        We intend that our portfolio of assays for the EGFR/Her pathway will       ultimately include assays that measure the levels of individual       receptor monomers (Her1, Her2 and Her3); receptor homo-dimers (Her1:1,       and Her2:2); and hetero-dimers (Her1:2, Her2:3, and assays for various       modified forms of these receptors including p95/Her2).  In time, we       plan to have a broad portfolio of assays that provide comprehensive       information for drugs targeting individual protein components of the       EGFR/Her pathway so that physicians will be able to detect resistance       early and make better choices for their patients.  These choices may       involve not only decisions about individual drugs, but also about       combinations of drugs.        Our initial focus has been breast cancer where Herceptin has been       marketed for several years and Tykerb has recently been approved, and       other drugs are in development.  In breast cancer, there may be two       opportunities based on evolving treatment settings for Herceptin.  One       is the opportunity for a better test to support the design of       treatment regimens, for advanced disease, that contain Herceptin,       chemotherapy and potentially other agents.  A second and potentially       larger opportunity may be for an improved test (in relation to       existing FISH and IHC tests) to support the design of treatment       regimens in patients with early stage disease, again looking at likely       efficacy of targeted agents like Herceptin and chemotherapeutics.  The       details of these products, however, are still dependent on the nature       and timing of clinical data that is being generated in our clinical       studies.     12. What is the status of your clinical studies for the eTag EGFR/Her test       panel?        We continue to make progress in seeking clinical validation of our       first assays in breast cancer patient samples.  The initial       correlations that we have identified in two separate patient cohorts       will be the subject of poster presentations at ASCO and are also the       subject of two manuscripts that are in preparation for submission to       scientific journals for publication.  Our principal focus remains that       of obtaining the additional patient tumor samples that are necessary       to validate the clinical correlations identified in these first two       patient cohorts.  We are working with a number of institutions to gain       access to patient samples from both the adjuvant and metastatic       settings.  A first set of additional metastatic samples has been       received and a preliminary analysis appears to be consistent with our       earlier observations.  We await a larger number of samples to more       definitively confirm the correlations between assay measurements and       patient survival.     Financial   13. What has been your use of cash?        The following table summarizes elements of cash flow in 2006 and the       first quarter of 2007.                                                        2006              2007   $ millions                               Q1      Q2     Q3     Q4     Q1   Cash provided by (used in)    operations (1)                         $0.3    $0.2  $(4.6) $(5.9) $(7.4)   Cash used in CVR settlement               –    (57.1)    –      –      –   Cash provided by (used in)    investing activities (2)               (0.6)   (0.8)    –    (0.2)  (0.3)   Cash provided by financing activities    2.7    25.4    5.6    1.0   18.9                                           $2.4  $(32.3)  $1.0  $(5.1) $11.2    (1) Cash used in operations in 2006 excludes the payment on the CVR       liability.   (2) Cash used in investing activities excludes purchase and       maturities/sales of investments.     14. What is your current cash position?        At March 31, 2007 we had cash resources (comprising cash, cash       equivalents, short-term investments) of approximately $42.3 million.     15. What are the details of the two convertible notes on your balance       sheet?                        Pfizer financing      0% Convertible Senior Unsecured                       (May 2006)           Debt (January 2007)    Amount             $25m                  $22.5 m ($30m face value)    Due date           May 2010              December 2011    Interest           3%, payable in cash   Zero coupon                       or common stock   Conversion price   $2.7048               $2.52    per share    “Autoconversion”   $4.06 for 20 out of   $3.15 for 20 out of 30    feature if common  30 consecutive        consecutive trading days    stock trades at    trading days    specified level    Security           HIV assets            None        Greater details on these debt arrangements can be found in the notes       to our financial statements in our Form 10K filing with the SEC.     16. How will revenue and expenses be recognized in relation to your       collaboration with Pfizer?        The collaboration involves a number of elements, including supply of       the Trofile Assay in additional clinical studies (including Pfizer’s       announced expanded access program for maraviroc) supply of the Trofile       Assay for clinical use outside of the U.S., reimbursement of costs for       the establishment and operation of supply infrastructure outside of       the U.S. and potential assistance to Pfizer in the establishment and       operation of a second facility for processing of tropism assays.       Under applicable accounting rules, each of these deliverables has to       be separately analyzed to establish an appropriate fair value.       Absence of an established fair value for any undelivered elements       requires a deferral of all other revenue in the arrangements.  The       application of these accounting rules requires us to defer all the       revenue until the expiry or termination of the contract, or earlier       completion of the deliverable, due to the absence of an established       fair value for the potential assistance to Pfizer in the establishment       and operation of a second facility for processing of tropism assays.       Costs associated with deferred revenues to date have also been       deferred.  The deferrals are included in the balance sheet as long       term deferred revenue of $2.4 million and deferred costs of $2.5       million.  Additional details will be included in our SEC filings on       Form 10Q and 10K.     17. What are the details of the Line of Credit with Merrill Lynch?        In September 2006, we entered into a Credit and Security Agreement       with Merrill Lynch Capital, a division of Merrill Lynch Business       Financial Services Inc.  This revolving credit line provides the       Company with a $10 million line of credit, with borrowings limited by       the amount of eligible accounts receivable, currently approximately       $5.5 million.  The line is secured by our accounts receivable,       inventory and intellectual property related to our oncology testing       business and is subject to certain covenants related to the conduct of       our business. The Agreement expires in March 2010.  As of March 31,       2007, approximately $3.9 million was outstanding under the revolving       credit line.     18. What are the trends in your net losses?        Our net loss includes adjustments to fair value for (i) in 2007, our       convertible debt, and (ii) in 2006, the CVR liability for quarters       prior to the June 2006 CVR maturity date. The effects of these items       have caused and may cause significant fluctuations from quarter to       quarter in net loss.  The table below shows the net loss both in       accordance with GAAP and on a non-GAAP proforma basis, adjusted for       these non-cash items.        The convertible debt is stated at fair value as a result of a       requirement to bifurcate, and value, certain derivatives that are       embedded within the convertible debt, such as the option on the part       of the holder to convert the debt to equity.  This arises because of       certain provisions of the two convertible debt securities.  The       adjustment to the fair value of the convertible debt was small in the       first quarter of 2007.  Several assumptions will affect future       valuations, with the principle one being the price of our common       stock.  In the event that our stock price increases, the future       adjustments to fair value of the convertible debt could be       significant.     $ millions                                                      2006              2007                                            Q1      Q2     Q3     Q4     Q1   GAAP Net Income (Loss)                 $(3.3) $(21.8) $(6.6) $(7.0) $(9.8)   Contingent Valuation Rights    Adjustment Included in    Non-operating Income/Expense (1)         –     16.5     –      –      –   Convertible Debt Valuation    Adjustment (2)                           –       –      –      –      –   Non-GAAP Proforma Net Loss             $(3.3)  $(5.3) $(6.6) $(7.0) $(9.8)    (1) Reflects the adjustments to fair value in respect of CVRs outstanding       and in respect of CVRs associated with vested ACLARA options as of the       closing of the merger with ACLARA on December 10, 2004.   (2) Reflects the adjustments to fair value in respect of the 3% Senior       Secured Convertible Debt and the 0% Convertible Senior Unsecured Debt.       These generated a net adjustment of $16,000 in the first quarter of       2007, but could be substantially larger in future quarters, for       example if our stock price increased.     19. What are the trends in your operating expenses without the impact of       stock compensation?        Our operating expenses include stock-based compensation, primarily       stock-based compensation in accordance with SFAS 123R which was       adopted by us on January 1, 2006.  The table below shows for each       operating expense category the amount that represents stock       compensation and the balance that represents expenses excluding these       items.”     $ millions    GAAP Expenses                                                 2006                   2007                                         Q1    Q2    Q3    Q4            Q1   Cost of Product Revenue               5.7   5.7   6.0   5.4           5.7   Research and Development              4.5   5.2   4.6   4.5           5.4   Sales and Marketing                   3.4   4.0   3.8   3.5           3.9   General and Administrative            3.6   4.3   3.4   3.8           4.2                                        17.2  19.2  17.8  17.2          19.2    Stock Based Compensation                                                 2006                   2007                                         Q1    Q2    Q3    Q4            Q1   Cost of Product Revenue               0.2   0.1   0.2   0.1           0.1   Research and Development              0.5   0.8   0.3   0.4           0.4   Sales and Marketing                   0.4   0.5   0.4   0.4           0.3   General and Administrative            0.8   0.6   0.6   0.6           0.4                                         1.9   2.0   1.5   1.5           1.2    Non-GAAP Proforma Expenses                                                 2006                   2007                                         Q1    Q2    Q3    Q4            Q1   Cost of Product Revenue               5.5   5.6   5.8   5.3           5.6   Research and Development              4.0   4.4   4.3   4.1           5.0   Sales and Marketing                   3.0   3.5   3.4   3.1           3.6   General and Administrative            2.8   3.7   2.8   3.2           3.8                                        15.3  17.2  16.3  15.7          18.0      contacts:  Alfred G. Merriweather             Jeremiah Hall              Chief Financial Officer            Feinstein Kean Healthcare              Tel: 650 624 4576                  Tel: 415 677 2700              amerriweather@monogrambio.com      jeremiah.hall@fkhealth.com  

Monogram Biosciences, Inc.

CONTACT: Alfred G. Merriweather, Chief Financial Officer of MonogramBiosciences, Inc., +1-650-624-4576, amerriweather@monogrambio.com; or JeremiahHall of Feinstein Kean Healthcare, +1-415-677-2700,jeremiah.hall@fkhealth.com, for Monogram Biosciences, Inc.

Web site: http://www.monogrambio.com/