The donations had nothing to do with the lawsuit's review, a Pruitt spokeswoman said.
In 2005, outgoing Oklahoma Attorney General Drew Edmondson sued the Arkansas companies, including Tyson Foods Inc. and Cargill Inc. Chicken manure from their facilities polluted the 1-million-acre Illinois River watershed, which straddles Oklahoma and Arkansas, the lawsuit alleges.
Earlier this year testimony ended, but the judge has yet to rule.