Corporate Plan TPB:
Your Corporate Plan TPB can be started at age 60 with no reduction; the early retirement reduction is unchanged; and, if you retire and delay the start of your benefit past age 60, you still will receive a late retirement increase for the number of months your benefit was delayed.
Since most on here are too ignorant to read the Retirement website. This come straight from the YRB. Key Dates section. It doesn't give the exact amount of the increase, That information is available on the "Project your pension" chart. For every year you delay commencing your Traditional, your monthly payments grows 10%.