Warwickshire post a record operating profit of £6.2m in 2019 after hosting last year's Ashes opener and five World Cup matches.
The PCA says it would back two overseas players per club from 2021 to allow Kolpak signings to continue playing county cricket.
Warwickshire captain Will Rhodes agrees a three-year contract extension until the end of the 2023 season.
Saqib Mahmood, Olly Stone and Craig Overton will be the first recipients of England pace bowling development contracts.
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Watch as Moeen Ali hits six sixes on the way to scoring 85 not out during Worcestershire's victory against Birmingham Bears at Edgbaston.
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