Sinclair’s Largest Promotion of the Year Is Back and Too Big for Just One Day
Sinclair Oil (Sinclair), an HF Sinclair (NYSE: DINO) brand, announced today its third annual DINO Days, a five-day customer promotion running June 1–5, 2026, in honor of National Dinosaur Day.
DINO Days has grown from a one-day promotion in 2024 to a five-day event featuring fuel savings, games and chances to win DINO merchandise.
The promotion begins Monday, June 1, on Facebook and Instagram (@sinclairoilcorp), where followers will help build the ultimate summer road trip playlist. On Tuesday, June 2, to celebrate Sinclair’s 110th anniversary, DINO fans will have 110 chances to win a DINO merchandise box filled with fan-favorites. Winners to be announced June 5.
On Wednesday, June 3, the fun continues with a secret password hidden on Sinclair’s social media channels. Once found, the first 110 customers can claim a fuel discount via direct message.
