EXP是Expiry date的縮寫。
expiry date 英[ik?spai?ri deit] 美[?k?spa?ri det]
[詞典] 有效期限，滿期日，終止日期;
[例句]
This film has passed its expiry date.
這個膠卷已過了有效期。
All credits must stipulate an expiry date for presentation of documents for payment,acceptance or negotiation.
壹切信用證均須規定壹個交單付款，承兌或議付的到期日。