Sangamo BioSciences, Inc. Announces Second Quarter 2006 Conference Call And Webcast

RICHMOND, Calif., July 18 /PRNewswire-FirstCall/ -- Sangamo BioSciences, Inc. today announced that the company will release its second quarter 2006 financial results on Tuesday, July 25, 2006 after the market closes. The press release will be followed by a conference call at 2:00 p.m. PDT, which will be open to the public via telephone and webcast. During the conference call, the company will review the financial results and discuss other business matters.

The conference call dial-in numbers are 866-770-7129 for domestic callers and 617-213-8067 for international callers. The passcode for the call is 46430212. Participants may access the live webcast via a link on the Sangamo BioSciences website http://phx.corporate-ir.net/phoenix.zhtml?c=120938&p=irol-IRHome in the Investor Relations section under "Company Overview." For those unable to listen in at the designated time, a conference call replay will be available for one week following the conference call, from approximately 4:00 p.m. PDT on July 25, 2006 to 9:00 p.m. PDT on July 31, 2006. The conference call replay numbers for domestic and international callers are 888-286-8010 and 617-801-6888 respectively. The conference ID number for the replay is 49916610. The webcast will be available on the Sangamo website for two weeks after the call.

About Sangamo

Sangamo BioSciences, Inc. is focused on the research and development of novel DNA-binding proteins for therapeutic gene regulation and modification. The most advanced ZFP Therapeutic(TM) development programs are currently in Phase 1 clinical trials for evaluation of safety in patients with diabetic neuropathy and peripheral artery disease. Other therapeutic development programs are focused on macular degeneration, ischemic heart disease, congestive heart failure, neuropathic pain, and infectious and monogenic diseases. Sangamo's core competencies enable the engineering of a class of DNA-binding proteins known as zinc finger DNA-binding proteins (ZFPs). By engineering ZFPs that recognize a specific DNA sequence Sangamo has created ZFP transcription factors (ZFP TF(TM)) that can control gene expression and, consequently, cell function. Sangamo is also developing sequence-specific ZFP Nucleases (ZFN(TM)) for therapeutic gene modification as a treatment for a variety of monogenic diseases, such as sickle cell anemia, and for infectious diseases, such as HIV. Sangamo has established several Enabling Technology Agreements with companies to apply its ZFP Technology to enhance the production of protein pharmaceuticals. Research at Sangamo is partially funded by an Advanced Technology Program (ATP) grant awarded by the National Institute of Standards and Technology (NIST). For more information about Sangamo, visit the company's web site at www.sangamo.com.

This press release may contain forward-looking statements based on Sangamo's current expectations. These forward-looking statements include, without limitation, references to the research and development of novel ZFP TFs and ZFNs, clinical trials, therapeutic applications of Sangamo's ZFP technology platform and use of proceeds. Actual results may differ materially from these forward-looking statements due to a number of factors, including technological challenges, Sangamo's ability to develop commercially viable products and technological developments by our competitors. See the company's SEC filings, and in particular, the risk factors described in the company's Annual Report on Form 10-K and its most recent 10-Q. Sangamo assumes no obligation to update the forward-looking information contained in this press release.

Sangamo BioSciences, Inc.

CONTACT: Elizabeth Wolffe, Ph.D. of Sangamo BioSciences, Inc.,+1-510-970-6000, ext. 271, or ewolffe@sangamo.com; or media, Justin Jacksonof Burns McClellan, Inc., +1-212-213-0006, or jjackson@burnsmc.com, forSangamo BioSciences, Inc.

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