Shares of 80 Mile PLC rose 7% after Greenland Energy proposed a £61.48 million all-share acquisition. Under the terms, each 80 Mile share would be exchanged for 0.01108 new Greenland Energy shares, implying a premium of up to 64.18% compared with the reference price cited in the proposal. Existing indicative terms valued 80 Mile at 1.1 pence per share, a 46.7% premium to its price before the offer period.