1. Offer is not available for home heating orders.
  2. Offer valid on Monday 19th January 2026 at Corrib Oil Circle K sites only.
  3. Offer is available for unleaded and diesel sales only,
  4. Corrib Oil Rewards / Loyalty Members Only.
  5. Corrib Oil Rewards / Loyalty members can avail of 5c off per litre of fuel discount from 12:01am – 11:59 pm at participating Corrib Oil Circle K sites on Monday 19th January 2026
  6. Offer is not available at Corrib Oil Texaco sites
  7. Discount available on retail fuel pumps only.
  8. Offer valid on unleaded and diesel only.
  9. Vehicle fills only. No filling of fuel storage containers.
  10. Offer not valid in conjunction with a fuel card or with any other fuel offer.
  11. Corrib Oil reserves the right to end this promotion at any time without notice.
  12. Offer is available for Circle K Extra members at Corrib Oil / Circle K branded sites only.
  13. If you have a query in relation to the Circle K Extra loyalty programme please contact Circle K at https://www.circlek.ie/contact-us/circle-k-extra-support
  14. Subject to availability.