PR Newswire | Sep 28, 2021 07:09PM EDT

09/28 18:07 CDT

Sylvamo Set to Join S&P SmallCap 600 NEW YORK, Sept. 28, 2021

NEW YORK, Sept. 28, 2021 /PRNewswire/ -- Sylvamo Corp. (NYSE: SLVM) will replace Stamps.com Inc. (NASD: STMP) in the S&P SmallCap 600 effective prior to the opening of trading on Monday, October 4. S&P 500 constituent International Paper Co. (NYSE: IP) is spinning off Sylvamo in a transaction expected to be effective on October 1. Thoma Bravo is acquiring Stamps.com in a deal expected to be completed soon pending final conditions.

Following is a summary of the changes that will take place prior to the open of trading on the effective date:

Effective Index Action Company TickerGICS Sector Date Name Name

October 4, S&P SmallCap AdditionSylvamo SLVM Materials 2021 600

S&P SmallCap DeletionStamps.com STMP Consumer 600 Discretionary

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