FMR Corp.owner of 4,364,140 shares or 10.529%
<cut>
Pursuant to the instructions in Item 7 of Schedule 13G, Fidelity Management & Research Company ("Fidelity"), 82 Devonshire Street, Boston, Massachusetts 02109, a wholly-owned subsidiary of FMR Corp. and an investment adviser registered under Section 203 of the Investment Advisers Act of 1940, is the beneficial owner of 4,364,140 shares or 10.529% of the Common Stock outstanding of REGENERON PHARMACEUTICALS, INC. ("the Company") as a result of acting as investment adviser to various investment companies registered under Section 8 of the Investment Company Act of 1940.
The ownership of one investment company, Fidelity Growth Company Fund, amounted to 3,407,000 shares or 8.220% of the Common Stock outstanding.
</cut> |