UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date:	May 20, 2011 3:00 P.M.

Form:

N-14

CIK: 0001062806 Company Name: BLACKROCK SERIES, INC. File Number: 333-173235 SERIES/CLASSES (CONTRACTS) MERGERS CIK Series ID Class/Contract Name Acquiring: 0001062806 BLACKROCK SERIES, INC. S000002291 BlackRock International Fund Target: 0000759829 BLACKROCK INTERNATIONAL VALUE TRUST S000002544 BlackRock International Value Fund C000007009 Investor A Target: 0000759829 BLACKROCK INTERNATIONAL VALUE TRUST S000002544 BlackRock International Value Fund C000007010 Investor B Target: 0000759829 BLACKROCK INTERNATIONAL VALUE TRUST S000002544 BlackRock International Value Fund C000007011 Investor C Target: 0000759829 BLACKROCK INTERNATIONAL VALUE TRUST S000002544 BlackRock International Value Fund C000007012 Institutional Target: 0000759829 BLACKROCK INTERNATIONAL VALUE TRUST S000002544 BlackRock International Value Fund C000007013 Class R