Lloyds Banking Group is to cut 1,300 jobs across its group functions, retail, group operations and wealth and international divisions.
The company said 1,120 of these were part of the reductions announced in its strategic review earlier this year, as part of its 'simplification' programme.
The 180 added to this figure are part of its ongoing three year integration programme due to finish at the end of this year.
Lloyds said the cuts would allow it to invest in "growth initiatives" to deliver better value for money products and services, and provide investors with "strong, stable and sustainable returns".
It said it had consulted with recognised unions prior to the announcement and was seeking to implement the changes in a "careful and sensitive way".
Although it will use natural turnover of staff "where possible", as well as voluntary redundancies, the company said it will impose compulsory redundancies as a "last resort".
David Fleming, Unite national officer, described the job cuts as "astonishing" and said it would send "ripples of shock" across the group.
"This approach is abhorrent and instead Lloyds should be redeploying and retraining its existing workforce to limit the impact caused by its restructuring plans."
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