2026 Membership Book FINAL

decision in Kalshi’s favor regarding the Core Principles would mean Kalshi’s users must have unfettered access to the sports bets it offers across the United States, including on all tribes’ Indian lands. As such, the Tribal Amici have a unique interest in the subject matter of this suit because it directly impacts tribal sovereignty over gaming that occurs on Indian lands, which is an important interest and adds a valuable perspective for the Court not advanced by either party. CONCLUSION For the foregoing reasons, the Tribal Amici respectfully request that this Court grant their Motion for Leave to File the accompanying proposed amicus brief in support of the Defendants. Dated: January 23, 2026 Respectfully submitted, /s/ Stephen J. Zralek

Stephen J. Zralek (TN BPR No. 18971) W. Justin Adams (TN BPR No. 22433) Spencer Fane LLP 511 Union Street, Suite 1000

Bryan Newland ( pro hac vice pending) Powers, Pyles, Sutter & Verville PC 1250 Connecticut Ave N, 8th Floor Washington, DC 20036 (202) 3494265 Bryan.Nwland@powerslaw.com Counsel for Mohegan Tribe of Indians of Connecticut, Rincon Band of Luiseño Indians, and Santa Ynez Band of Chumash Mission Indians Michael Hoenig ( pro hac vice pending) Yuhaaviatam of San Manuel Nation 422 1st Street SE Washington, DC 20003 (909) 936-9684 Michael.Hoenig@sanmanuel-nsn.gov Counsel for Yuhaaviatam of San Manuel Nation and San Manuel Gaming and Hospitality Authority

Nashville, TN 37219 Tel: (615) 238-6305

szralek@spencerfane.com wjadams@spencerfane.com

Joseph H. Webster ( pro hac vice pending) Elizabeth A. Bower ( pro hac vice pending) Jens W. Camp ( pro hac vice pending) Hobbs, Straus, Dean & Walker LLP 1899 L Street NW, Suite 1200 Washington, DC 20036 (202) 822-8282

jwebster@hobbsstraus.com ebower@hobbsstraus.com jcamp@hobbsstraus.com Counsel for Tribal Amici

7

NSH 3426322.2

Case 3:26-cv-00034 Document 40 Filed 01/23/26 Page 7 of 9 PageID #: 435

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