Please see the first page of the tutorial pack booklet, an extract of which is:
Many of the problems included here require the use of very old mortality tables like A1967-70, ELT(12) and a(55), which are freely available to you, but a few of the problems require tables like AM92 and PM92 which appear in the `gold book' of Tables for Examination Purposes. There is a copy of the gold book in the library: 368.01 FORM, Formulae and tables for examinations of the Faculty of Actuaries and the Institute of Actuaries.
I think there should be a copy of this book in the department as well.
But your formula for finding the EPV is correct :)