US Index Update

Research evidence excerpt

US Index Update

Global Quantitative and Derivatives Strategy Team Min Moon

Week of Jul 6, 2026 As of Jul 9, 2026 (Close) g +1 (212) 272 ,8456 min.k.moon@jpmorgan.comg

Monday, July 13, 2026

• SP600 Solaris Energy Infrastructure Inc. (NYSE: SEI) will replace Catalyst Pharmaceuticals Inc. (NASD: CPRX) in the S&P SmallCap 600 effective prior to the opening of trading on Wednesday, July 15. Angelini Pharma S.p.A. is

acquiring Catalyst Pharmaceuticals in a deal expected to close soon, pending final closing conditions.

Shares Out (M) Indexer Flows S&P Index

Index Announcement Effective on Current New Weight Days to Ticker Name (Sector**) Event Detail Last Price Event Date Close of Wgt Wgt Change Gross Net Trade Old New Shares Shares Rank IWF

(M) (M)

S&P 600 Delete 9-Jul-26 13-Jul-26 CPRX Catalyst Pharmac (HC) Acquisition $ 31.47 122.38 0.00 0.198% 0.000% -0.198% -12.40 (12.40) (6.30) 188.00 0.94

S&P 600 Add 9-Jul-26 13-Jul-26 SEI Solaris Energy I (EN) Replacing CPRX $ 68.26 0.00 58.40 0.000% 0.206% 0.206% 5.94 5.94 2.57 0.00 0.94

S&P 600 Delete 2-Jul-26 13-Jul-26 WSR Whitestone Rei (RE) Acquired by ARES $ 18.97 51.39 0.00 0.047% 0.000% -0.047% -4.88 (9.25) (12.16) 557.00 0.88

S&P 600 Add 2-Jul-26 13-Jul-26 LEU Centrus Energy-A (EN) Replacing WSR $ 173.56 0.00 18.95 0.000% 0.181% 0.181% 2.05 2.05 2.35 0.00 1.00

R2/RS Delete Confirmed 9-Jul-26 TBRG Trubridge Inc Acquisition $ 26.24 10.47 0.00 -1.01 (1.01) (3.34)

R1/RS S Inc Confirmed 10-Jul-26 RIVN Rivian Automot-A Equity Offering $ 18.12 838.89 888.96 1.50 1.50 0.04

R2/RS Delete Confirmed 10-Jul-26 ESPR Esperion Therape Acquisition $ 3.19 246.31 0.00 -23.81 (23.81) (2.12)

R2/RS Delete Confirmed 13-Jul-26 EEX Emerald Holding Acquisition $ 5.02 12.24 0.00 -1.18 (1.18) (13.71)