Melrose Results Presentation Deck

Melrose key financial numbers: Nortek delivering good returns for shareholders Melrose 7. Nortek: 87% complete (following Nortek Control exchange of contracts) ■ I ■ ■ Nortek shareholder returns ¹ Buy Improve Sell 2.2x Return on equity² Nortek Air Management disposal for gross proceeds of £2.6 billion ($3.6 billion), 12.5x 2020 adjusted³ EBITDA Nortek Control agreed to be sold for £0.2 billion in August 2021, just under 1x 2020 revenue At constant currency, Nortek is well on the way to doubling shareholders' initial equity, and achieving an IRR of >20% At actual exchange rates Return on Equity is approximately 2.0x 1. 2. 3. 21% IRR² Assumes Ergotron is at book value as at 30 June 2021 At constant currency and adjusting for the foreign exchange headwind since ownership of Nortek Described in the glossary to the 2021 Interim Financial Statements, released on 2 September 2021 14

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