BioTime CEO Dr. Michael West to Ring The Opening Bell at the New York Stock Exchange

BioTime, Inc. (NYSE Amex:BTIM) Chief Executive Officer Michael D. West, Ph.D. will ring The Opening Bell at the New York Stock Exchange at 9:30 a.m. Eastern on Tuesday, December 8, 2009. Executives and guests of Biotime will also be at the ceremony to celebrate the company's recent listing on the NYSE Amex. Trading of BioTime’s common shares and warrants commenced on the NYSE Amex on Friday, October 30, 2009 under the ticker symbols "BTIM” for the common shares and "BTIM.WS” for the warrants.

The bell ringing will be webcast live on www.nyse.com and live to the jumbo screen on the W Hotel in Times Square. Both live and archive links for the bell ringing will also be posted on BioTime’s website at www.biotimeinc.com.

About BioTime, Inc.

BioTime, headquartered in Alameda, California, is a biotechnology company focused on regenerative medicine and blood plasma volume expanders. BioTime develops and markets research products in the field of stem cells and regenerative medicine through its wholly owned subsidiary Embryome Sciences, Inc. BioTime’s subsidiary OncoCyte Corporation focuses on the therapeutic applications of stem cell technology in cancer. BioTime also plans to develop therapeutic products in China for the treatment of ophthalmologic, skin, musculo-skeletal system and hematologic diseases, including the targeting of genetically modified stem cells to tumors as a novel means of treating currently incurable forms of cancer through its subsidiary BioTime Asia. In addition to its stem cell products, BioTime markets blood plasma volume expanders and related technology for use in surgery, emergency trauma treatment, and other applications. BioTime's lead product, Hextend^®, is a blood plasma volume expander manufactured and distributed in the U.S. by Hospira, Inc. and in South Korea by CJ CheilJedang Corp. under exclusive licensing agreements. Additional information about BioTime can be found on the web at www.biotimeinc.com.

Forward Looking Statements

Statements pertaining to future financial and/or operating results, future growth in research, technology, clinical development and potential opportunities for the company and its subsidiaries, along with other statements about the future expectations, beliefs, goals, plans, or prospects expressed by management constitute forward-looking statements. Any statements that are not historical fact (including, but not limited to statements that contain words such as "will,” "believes,” "plans,” "anticipates,” "expects,” "estimates,”) should also be considered to be forward-looking statements. Forward-looking statements involve risks and uncertainties, including, without limitation, risks inherent in the development and/or commercialization of potential products, uncertainty in the results of clinical trials or regulatory approvals, need and ability to obtain future capital, and maintenance of intellectual property rights. Actual results may differ materially from the results anticipated in these forward-looking statements and as such should be evaluated together with the many uncertainties that affect the company's business, particularly those mentioned in the cautionary statements found in the company's Securities and Exchange Commission filings. The company disclaims any intent or obligation to update these forward-looking statements.

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