EX-10.1



 Exhibit 10.1 

INTERNATIONAL STEM CELL CORPORATION 

PROMISSORY NOTE 
 FOR VALUE RECEIVED, and
subject to the terms and conditions set forth herein, on this 10th day of August, 2015 (the “Issuance Date”), International Stem Cell Corporation, a Delaware corporation (the “Borrower”), hereby unconditionally
promises to pay to the order of Andrey Semechkin or his assigns (the “Noteholder”), the principal amount of two million five-hundred and sixty-two thousand dollars ($2,562,000) (the “Loan”), together with all
accrued interest thereon, as provided in this Promissory Note (the “Note”). 
 1. Previous Loan. On May 12, 2015 Noteholder was
issued a Promissory Note in the principal amount of $2,262,000 by the Borrower (the “Original Note”). On August 10, 2015 Noteholder provided additional $300,000 of funds to the Borrower and surrendered the Original Note, in
return for which the Noteholder was issued this Note. 
 2. Final Payment Date; Optional Prepayments. 

2.1 Final Payment Date. The aggregate unpaid principal amount of the Loan and all accrued and unpaid interest shall be due and payable
September 10, 2015 (the “Maturity Date”). 
 2.2 Optional Prepayment. The Borrower may prepay the Loan in whole or in
part at any time or from time to time without penalty or premium by paying the principal amount to be prepaid together with accrued interest thereon to the date of prepayment. No prepaid amount may be reborrowed. 

3. Interest. 
 3.1 Interest Rate. The
outstanding principal amount of the Loan made hereunder shall bear interest at the annual rate of One-Half of One Percent (0.50%) from the date the Loan was made until the Loan is paid in full, whether at maturity, by prepayment or otherwise. 

3.2 Interest Payment Dates. Interest shall be payable on maturity, or earlier with respect to any prepayment. 

3.3 Computation of Interest. All computations of interest shall be made on the basis of a year of 360 days and the actual number of days
elapsed. Interest shall accrue on the Loan on the day on which such Loan is made, and shall not accrue on the Loan (or any portion thereof) for the day on which it is paid. 

3.4 Interest Rate Limitation. If at any time and for any reason whatsoever, the interest rate payable on the Loan shall exceed the maximum
rate of interest permitted to be charged by the Noteholder to the Borrower under applicable law, such interest rate shall be reduced automatically to the maximum rate of interest permitted to be charged under applicable law, and that portion of any
sum paid attributable to that portion of such interest rate that exceeds the maximum rate of interest permitted by applicable law shall be deemed a voluntary prepayment of principal. 







 4. Payment Mechanics. All payments of principal and interest shall be made in lawful money of the United
States of America by check or by wire transfer of immediately available funds to the Noteholder’s account at a bank specified by the Noteholder in writing to the Borrower from time to time. 

5. Governing Law. This Note and any claim, controversy, dispute or cause of action based upon, arising out of or relating to this Note, and the
transactions contemplated hereby, shall be governed by the laws of the State of California. 
 IN WITNESS WHEREOF, the Borrower has executed
this Note as of the Issuance Date written above. 
  

			
	BORROWER	 	NOTEHOLDER
	International Stem Cell Corporation	 	Andrey Semechkin
		
	 /s/ Sofya Bakalova
	 	 /s/ Andrey Semechkin

	Signature	 	Signature
		
	 Sofya Bakalova
 VP Legal Affairs &
Operations