Take a look through our gallery to see whose deal expires when.
1. Declan Rudd
The goalkeeper signed a three-year contract when he returned to the club in the summer of 2017 meaning his deal expires at the end of next season.
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2. Darnell Fisher
The right back signed an improved contract in May 2018 to take him through to the summer of 2021
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3. Josh Earl
The academy product's new contract last month means he is signed up until the summer of 2021
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4. Ben Pearson
The midfielder's last new deal came in October 2017 which ties him to Deepdale until the summer of 2021
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