X0101 EFFECT 33 LIVE 2018-02-07 16:30:00

N-14

0000355916 BlackRock Variable Series Funds, Inc. 333-221936 0000355916 BlackRock Variable Series Funds, Inc. S000002874 BlackRock Managed Volatility V.I. Fund C000007901 Class III 0001546585 HIMCO Variable Insurance Trust S000045727 HIMCO VIT Portfolio Diversifier Fund C000142514 IB 0000355916 BlackRock Variable Series Funds, Inc. S000002875 BlackRock S&P 500 Index V.I. Fund C000007902 Class I 0001546585 HIMCO Variable Insurance Trust S000045722 HIMCO VIT Index Fund C000142508 IA 0000355916 BlackRock Variable Series Funds, Inc. S000002875 BlackRock S&P 500 Index V.I. Fund C000007904 Class III 0001546585 HIMCO Variable Insurance Trust S000045722 HIMCO VIT Index Fund C000142509 IB