| 12 Products | May 2023 | May 2024 | Change |
| Propercorn Perfectly Sweet Popcorn (90g) | £1.25 | £1.25 | £0.00 No change |
| | £1.25 | £1.25 | £0.00 No change |
| Propercorn Sweet & Salty Popcorn Multipack (14g) | £1.56 | £2.00 | + £0.44 28.2% increase |
| | £1.56 | £2.00 | + £0.44 28.2% increase |
| Propercorn Lightly Sea Salted Popcorn (20g) | £0.95 | £0.95 | £0.00 No change |
| | £0.95 | £0.95 | £0.00 No change |
| PROPERCORN Peanut Butter & Almond Popcorn (25g) | £0.87 | £0.87 | £0.00 No change |
| | £0.87 | £0.87 | £0.00 No change |
| Propercorn Lightly Sea Salted Popcorn Sharing Bag (70g) | £1.50 | £2.00 | + £0.50 33.3% increase |
| | £1.50 | £2.00 | + £0.50 33.3% increase |
| PROPERCORN Proper Corn Sweet Popcorn (14g) | £1.80 | £1.80 | £0.00 No change |
| | £1.80 | £1.80 | £0.00 No change |
| Propercorn Lightly Sea Salted Popcorn Multipack (10g) | £1.62 | £2.00 | + £0.38 23.5% increase |
| | £1.62 | £2.00 | + £0.38 23.5% increase |
| Propercorn Salted Caramel Popcorn (90g) | £1.50 | £1.50 | £0.00 No change |
| | £1.50 | £1.50 | £0.00 No change |
| Propercorn Sweet & Salty Popcorn (30g) | £0.80 | £1.10 | + £0.30 37.5% increase |
| | £0.80 | £1.10 | + £0.30 37.5% increase |
| Propercorn Sweet & Salty Popcorn Sharing Bag (90g) | £1.50 | £2.00 | + £0.50 33.3% increase |
| | £1.50 | £2.00 | + £0.50 33.3% increase |
