Advanced Cell Technology Comments on Recent Trading

Phase I/II Trials Proceeding as Scheduled; Company Knows of No Reason for Decline in Stock Price

MARLBOROUGH, Mass.--()--Advanced Cell Technology, Inc. ("ACT"; OTC Bulletin Board: ACTC), a leader in the field of regenerative medicine, commented today on recent trading activity in its stock. The Company knows of no business, clinical or financial reason for the stock's recent significant decline. The two Phase I/II clinical trials that ACT received FDA clearance on for its RPE program, including a Phase 1/2 trial in patients with dry age-related macular degeneration, are proceeding as scheduled.

ACT plans to update investors on its clinical trial progress when it holds a conference call for the investment community later this month in conjunction with the filing of its Form 10-K with the Securities and Exchange Commission.

About Advanced Cell Technology, Inc.

Advanced Cell Technology, Inc. is a biotechnology company applying cellular technology in the field of regenerative medicine. For more information, visit http://www.advancedcell.com.

Forward-Looking Statements

Statements in this news release regarding future financial and operating results, future growth in research and development programs, potential applications of our technology, opportunities for the company and any other statements about the future expectations, beliefs, goals, plans, or prospects expressed by management constitute forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Any statements that are not statements of historical fact (including statements containing the words "will," "believes," "plans," "anticipates," "expects," "estimates," and similar expressions) should also be considered to be forward-looking statements. There are a number of important factors that could cause actual results or events to differ materially from those indicated by such forward-looking statements, including: limited operating history, need for future capital, risks inherent in the development and commercialization of potential products, protection of our intellectual property, and economic conditions generally. Additional information on potential factors that could affect our results and other risks and uncertainties are detailed from time to time in the company's periodic reports, including the report on Form 10-K for the year ended December 31, 2009. Forward-looking statements are based on the beliefs, opinions, and expectations of the company's management at the time they are made, and the company does not assume any obligation to update its forward-looking statements if those beliefs, opinions, expectations, or other circumstances should change. Forward-looking statements are based on the beliefs, opinions, and expectations of the company's management at the time they are made, and the company does not assume any obligation to update its forward-looking statements if those beliefs, opinions, expectations, or other circumstances should change. There can be no assurance that the Company's clinical trials will be successful.

Contacts

Investors:
CEOcast, Inc.
James Young, 212-732-4300
or
Press:
ACT Corporate Communications
Bill Douglass, 646-450-3615
or
Russo Partners
Martina Schwarzkopf, Ph.D., 212-845-4292

Contacts

Investors:
CEOcast, Inc.
James Young, 212-732-4300
or
Press:
ACT Corporate Communications
Bill Douglass, 646-450-3615
or
Russo Partners
Martina Schwarzkopf, Ph.D., 212-845-4292