MacroGenics Appoints Jon Wigginton, M.D., as Senior Vice President, Clinical Development ROCKVILLE, Md., August 12, 2013 — MacroGenics, Inc. today announced that it has appointed Jon Wigginton, M.D., as Senior Vice President, Clinical Development. Dr.

MacroGenics Presents Phase 1 Data at ASCO Showing Signs of Clinical Benefit for Margetuximab in HER2 Expressing Tumors; Phase 2 Clinical Trial Underway to Evaluate Activity in Patients with Advanced Breast Cancer ROCKVILLE, Md., June 3, 2013—MacroGenics, Inc.

MacroGenics Announces Margetuximab (MGAH22) Phase 1 Data Presentation at ASCO; Initiates Phase 2 Clinical Study to Evaluate Activity of Margetuximab in Patients with Metastatic Breast Cancer ROCKVILLE, Maryland - May 21, 2013/PRNewswire/ - MacroGenics, Inc.

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<li>Based on MacroGenics&#8217; proprietary DART technology for generating bi-specific antibodies</li>
<li>Gilead receives rights to four pre-clinical programs</li>
<li>MacroGenics retains development and commercial rights to one of the programs in major markets outside North America and the European Union</li></ul>

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<li>Includes three novel pre-clinical programs for the treatment of solid and liquid tumors</li>
<li>Based on MacroGenics' proprietary DART technology for generating bi-specific antibodies that redirect the body's own immune system to kill cancer cells</li>
<li>MacroGenics retains full rights to each program in North America, Japan, Korea and India</li>
<li>Servier has the option to obtain exclusive license to develop and commercialize each program in the rest of the world</li></ul>

ImaginAb and MacroGenics Collaborate to Develop In Vivo Imaging Agents for Autoimmune Diseases, Cancer Imaging partnership to focus on key immunology targets to diagnose multiple diseases Los Angeles, CA and Rockville, MD – September 5, 2012. ImaginAb, Inc.

ROCKVILLE , Maryland , December 20, 2011- MacroGenics, Inc., a privately held biotechnology company that develops next generation antibody therapeutics, announced today that it will receive a milestone payment from Boehringer Ingelheim.   The milestone payment was triggered as part of an agreement

<ul>
<li>MGA271 is a therapeutic monoclonal antibody that recognizes B7-H3, a member of the B7 family of immune regulators, that is over-expressed on a wide variety of solid tumors</li>
<li>MacroGenics retains full program rights in North America, Japan, Korea and India</li>
<li>Servier has an option to obtain an exclusive license to develop and commercialize MGA271 in the rest of the world</li></ul>

ROCKVILLE , MD. , June 28 /PRNewswire/ -- MacroGenics, Inc., a privately held biotechnology company that develops immunotherapeutics to treat autoimmune disorders, cancer and infectious diseases, announced the publication in The Lancet of results from Protégé, a Phase 3 clinical study of teplizumab

ROCKVILLE, MD., June 23 /PRNewswire/ -- MacroGenics, Inc., a privately held biotechnology company that develops immunotherapeutics to treat autoimmune disorders, cancer and infectious diseases, today announced that 1-year data from Protégé, the Company’s Phase 3 clinical study of teplizumab in type

ROCKVILLE , MD. , April 28 /PRNewswire/ -- MacroGenics, Inc., a privately held biotechnology company that develops immunotherapeutics to treat autoimmune disorders, cancer and infectious diseases, today announced the publication in the journal Blood of preclinical data demonstrating potent

ROCKVILLE , MD. , January 6 /PRNewswire/ -- MacroGenics, Inc., a privately held biotechnology company that develops immunotherapeutics to treat autoimmune disorders, cancer and infectious diseases, today announced that it had administered drug to the first cohort of patients in a Phase I clinical

Boehringer Ingelheim and MacroGenics Announce Global Alliance to Discover, Develop and Commercialize DART™-Based Antibody Therapeutics INGELHEIM, Germany and ROCKVILLE, MD, USA, October 26, 2010 -- Boehringer Ingelheim and MacroGenics today jointly announced that they have entered into a global

ROCKVILLE, MD, October 26, 2010 -- MacroGenics, Inc, a leader in next-generation antibody platforms and therapeutics, announced today that it has entered into a global research collaboration and license agreement with Pfizer Inc. to discover, develop and commercialize Dual-Affinity Re-Targeting

MacroGenics and Lilly Announce Pivotal Clinical Trial of Teplizumab Did Not Meet Primary Efficacy Endpoint ROCKVILLE, Md., INDIANAPOLIS, Ind. – Oct. 20, 2010 – MacroGenics, Inc. and Eli Lilly and Company (NYSE: LLY) today announced that the Protégé Data Monitoring Committee (DMC), composed of

ROCKVILLE, Md., July 15 /PRNewswire/ -- MacroGenics, Inc, a privately held biotechnology company that develops immunotherapeutics to treat autoimmune disorders, cancer and infectious diseases, today announced that the National Institutes of Health (NIH) has awarded the company three new grants

MacroGenics Appoints New Senior Vice President of Clinical Development ROCKVILLE , Md. , January 7 /PRNewswire/ -- MacroGenics, Inc, a privately held biotechnology company that develops immunotherapeutics to treat autoimmune disorders, cancer and infectious diseases, today announced the appointment

ROCKVILLE , Md. , July 13, 2009 /PRNewswire/ -- MacroGenics, Inc. today announced the initiation of the PARADIGM trial, a Phase 2 clinical study evaluating MGAWN1, a humanized monoclonal antibody, for the trea tment of individuals with suspected central nervous system infection due to West Nile

Paulo F. Costa Joins MacroGenics Board of Directors ROCKVILLE, MD., June 23, 2009 /PRNewswire/ -- MacroGenics, Inc. announced today that Mr. Paulo F. Costa has been elected to the company’s Board as an independent director. Mr. Costa is the former President and Chief Executive Officer of Novartis

Phase 3 PROT&#201;G&#201; ENCORE Clinical Trial Initiated

MacroGenics Appoints New Vice President of Business Development ROCKVILLE, Md., March 26 /PRNewswire/ -- MacroGenics, Inc, a privately held biotechnology company that develops immunotherapeutics to treat autoimmune disorders, cancer and infectious diseases, today announced the appointment of Eric

Proceeds to be Used for Advancement of Cancer Stem Cells and Other Development Programs

Raven's Discovery Platform in Cancer Stem Cell Biology<br>Enhances MacroGenics' Oncology Capabilities and Complements Proprietary Antibody Technology Platforms

Macrogenics Appoints New Chief Commercial Officer and Chief Financial Officer Rockville, Maryland.   May 6, 2008.  MacroGenics Inc, a private biotechnology company focused on the development of products to treat autoimmune disorders, cancers, and infectious diseases, today announced the

Lilly to Acquire Phase III Molecule Teplizumab for the Treatment of Type 1 Diabetes Companies to Collaborate on the Development of Autoimmune Disease Treatments