Prosperity Bancshares closes acquisition of Southwest Bancshares, issues ~4.1M shares

PROSPERITY BANCSHARES INC

Closed merger with Southwest Bancshares effective Feb 1, 2026; acquired Texas Partners Bank (11 offices in Central Texas).
Issued 4,095,397 Prosperity common shares to Southwest shareholders and award holders.
Brent Given named San Antonio Area Chairman; Tom Moreno to senior management; Gene Dawson Jr. joins Prosperity Bank board.
Texas Partners banking offices to operate under current name until operational integration expected November 2026.
Transaction adds presence in San Antonio, Austin, and Hill Country markets.

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