Sept 7 (Reuters) - Westpac Banking Corp WBC.AX :
* Unlocking Westpac's potential WBC.AX
* Increasing annual investment spend by 20% to around $1.3 billion; directed towards service, growth and efficiency initiatives"
* Says targeting expense to income ratio, below 40% within 3 years
* Adding over 1 million new customers (2015-2017) and increasing the number of products per customer
* Reaffirming target roe above 15%"
* Increased investment will be supported by a complementary efficiency program, which will reduce group's expense growth run-rate to 2-3% per annum"
* Source text for Eikon ID:nASX6lDky1