Breakage penalties vary from bank to bank.
Some banks, like Nationwide UK, have clear simple breakage penalties.
Some banks, officially speaking, do not allow breakage.
Some banks, have opaque or complex breakage fees.
With EBS, breakage fees vary from product to product. It looks like you have their Fixed Save product.
With Fixed Save, officially speaking, you are not allowed any withdrawals during the term. Speak to EBS, give your sob story and ask for an early exit. They might comply.