Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
KINGSLEY ALFRED D
  2. Issuer Name and Ticker or Trading Symbol
BIOTIME INC [BTX]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director __X__ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
See Remarks
(Last)
(First)
(Middle)
150 E. 57TH STREET
3. Date of Earliest Transaction (Month/Day/Year)
12/14/2012
(Street)

NEW YORK, NY 10022
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Shares, no par value 12/14/2012   J(1)   57,511 D $ 4.3368 (2) 7,110,055 (3) D  
Common Shares, no par value               1,968,505 I By Greenbelt Corp.
Common Shares, no par value               375,351 I By Greenway Partners, LP

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Option to Puchase Common Shares $ 4.6               (4) 06/30/2017 Common Shares 50,000   50,000 D  
Option to Puchase Common Shares $ 5.13               (5) 06/30/2016 Common Shares 50,000   50,000 D  
Option to Puchase Common Shares $ 5.45               (6) 08/09/2015 Common Shares 50,000   50,000 D  
Option to Puchase Common Shares $ 2.3               (7) 07/01/2014 Common Shares 50,000   50,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
KINGSLEY ALFRED D
150 E. 57TH STREET
NEW YORK, NY 10022
  X   X   See Remarks  

Signatures

 /s/ Alfred D. Kingsley   12/18/2012
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) On December 14, 2012, Mr. Kingsley transferred 57,511 BioTime common shares to BioTime's subsidiary LifeMap, Inc. in exchange for shares of LifeMap common stock under the terms of a Share Exchange and Contribution Agreement (the "LifeMap Agreement").
(2) Price determined under the LifeMap Agreement as the highest volume weighted average closing price per share on the NYSE MKT for ten consecutive trading days during the period from August 1, 2012 through December 14, 2012.
(3) Does not include shares that Mr. Kingsley may acquire through the exercise of certain options.
(4) 12,500 options became exercisable on September 30, 2012 and the remaining 37,500 options will become exercisable in 3 equal quarterly installments based upon continued service on the board of directors.
(5) 12,500 options became exercisable on September 30, 2011; December 31, 2011; March 31, 2012; and June 30, 2012.
(6) 12,500 options became exercisable on September 30, 2010; December 31, 2010; March 31, 2011; and June 30, 2011.
(7) 12,500 options became exercisable on September 30, 2009; December 31, 2009; March 31, 2010; and June 30, 2010.
 
Remarks:
Mr. Kingsley is Executive Chairman of certain BioTime subsidiaries.

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