...Filed Pursuant to Rule 433 Registration Statement No. 333-191157 BLACKROCK, INC. 700,000,000 SENIOR UNSECURED NOTE OFFERING PRICING TERM SHEET April 28, 2015 700,000,000 1.250% Notes due 2025 Issuer: BlackRock, Inc. ("BlackRock") Expected Ratings*: A1 by Moody s Investors Service, Inc. AA- by Standard & Poor s Ratings Services Trade Date: April 28, 2015 Settlement Date: May 6, 2015 (T+5 (London)) Under Rule 15c6-1 under the Exchange Act, trades in the secondary market are required to settle in three business days, unless the parties to any such trade expressly agree otherwise. Accordingly, purchasers who wish to trade notes on the date of this term sheet or the next business day will be required, by virtue of the fact that the notes initially settle in T+5 (as counted using London business days), to specify an alternate settlement arrangement at the time of any such trade to prevent a failed settlement. Purchasers of the notes who wish to trade the notes on the date of this term sheet or...