Riot Platforms Executes 20-Year, 191 MW Data Center Lease With Frontier AI Lab For $9.1B Revenue; Data Center Lease Extensions Could Increase Total Contract Value To $16.1B; Estimated NOI From Lease $7.3B-$8.2B Over Base Term, $365M-$411M Annually; Morgan Stanley Provides $573M Interim Financing For Initial Development Costs; Initial 96 MwWDelivery Expected Dec 2027, Full 191 MW By June 2028