Jewell has led Wigan to two promotions and a top ten finish in the Premiership during his five year reign, and is now waiting for his assistant manager to agree terms before signing on the dotted line.
Whelan said: "I have had discussions with Paul and he is willing to extend his contract. But i have also got to open discussion with Chris Hutchings, his assistant."
"I have agreed terms with Paul, but i have still to agreeterms with Chris Hutchings."
"They ar a partnership together and i respect that. They want to sign a contract at the same time."
"That is good and it shows loyalty to themselves and also to Wigan."