BIOTIME ANNOUNCES NEW TRADING SYMBOLS

EMERYVILLE, CA, July 14, 2005-- BioTime, Inc. today announced that after July 14, 2005 its common shares will be traded under the symbol BTIM and its publicly traded warrants will be traded under the symbol BTIMW. Market makers have applied to quote BioTime stock and warrants on the OTC Bulletin Board maintained by the National Association of Securities Dealers, Inc. BTIM was the trading symbol of BioTime shares for years on the Nasdaq Stock Market before the shares were listed on the American Stock Exchange.

About BioTime, Inc.

BioTime, headquartered in Emeryville, California, develops blood plasma volume expanders, blood replacement solutions for hypothermic (low temperature) surgery, organ preservation solutions and technology for use in surgery, emergency trauma treatment and other applications. Information about BioTime can be found on the web at www.biotimeinc.com.

Forward Looking Statements

The matters discussed in this press release include forward-looking statements which are subject to various risks, uncertainties and other factors that could cause actual results to differ materially from the results anticipated. Such risks and uncertainties include but are not limited to the results of clinical trials of BioTime products; the ability of BioTime and its licensees to obtain additional FDA and foreign regulatory approval to market BioTime products; competition from products manufactured and sold or being developed by other companies; and the price of and demand for BioTime products. Other risk factors are discussed in BioTime's Annual Report on Form 10-K filed with the Securities and Exchange Commission.

For Further Information:

Judith Segall (510) 350-2940