Now, I can confirm that it requires Everyday Extra.
Terms and Conditions
Promotion is available on the selected flavours only:
Dairy Farmers Thick & Creamy Mango & Fingerlime Yoghurt 140g,
Dairy Farmers Thick & Creamy Strawberry & Wattleseed Yoghurt 140g,
Dairy Farmers Thick & Creamy Pineapple & Passionfruit Yoghurt 140g.
*When: Offer runs from 00:01 (local time) on 17/07/2024 to 23:59 (local time) 23/07/2024
Where: In-store at Woolworths Supermarkets and Woolworths Metro only. This offer is not available at Woolworths Online, or Ampol Woolworths Metro or MetroGo.
Who: This offer is personal to you, and will be available only on your Everyday Rewards Card.
Boosting this offer and how it works: Registered Everyday Extra subscribers must boost this offer to participate in the promotion, scan the promotional product and scan or tap your Everyday Rewards Card at checkout before completing your transaction. Please note that the deducted price of your free product will not display at checkout, but will reflect on your final payment and be visible on your receipt. To ensure your offer has been added to your Everyday Rewards Card, boost your offer before shopping in‑store. Stock availability may vary by store. Offer can only be enjoyed once during the promotional period.
In addition to the above terms and conditions, by participating in the Everyday Rewards program you agree to the Everyday Rewards T&Cs at https://www.everydayrewards.com.au/terms, and the Everyday Extra T&Cs at https://www.everydayrewards.com.au/extra/terms.html
Campaign code: SUP-7966
Got it - thanks OP