The investment objective of the 1NVEST INFLATION LINKED BOND INDEX TRACKER FUND is to fully replicate both the interest-income and capital growth return of the iGov index ('the Index'), a sub-index of the Composite Inflation Linked Index ('CILI') calculated by the Johannesburg Stock Exchange in conjunction with the Actuarial Society of South Africa .In order to achieve this objective, investments to be acquired for the 1NVEST INFLATION LINKED BOND INDEX TRACKER FUND will consist of a spread of non-equity securities issued by the South African Government to the maximum permitted by the Act, and any other securities, which may be included in a portfolio in terms of the Act and relevant legislation, which are consistent with the portfolio's investment policy, but which will be limited to bonds.The manager will, at all times, endeavour to track the performance of the index by replicating its constituents, in their correct weightings as closely as possible. In the ordinary course of business the manager anticipates a tracking error of approximately 25 basis points (0.25%).The manager may from time to time invest in participatory interests or any other form of participation in portfolios of collective investment schemes or other similar collective investment schemes as the Act may allow from time to time, and which are consistent with the portfolio's investment policy. The STANLIB INFLATION LINKED BOND INDEX TRACKER FUND may from time to time invest in both listed and unlisted financial instruments, in accordance with the provisions of the Act, in order to achieve the portfolio's investment objective.For the purpose of the STANLIB INFLATION LINKED BOND INDEX TRACKER FUND, the manager shall reserve the right to close the portfolio to new investors on a date determined by the manager. This will be done in order to be able to manage the fund in accordance with its mandate. The manager may, once a portfolio has been closed, open that portfolio again to new investors on a date determined by the manager. The Trustee shall ensure that the investment policy set out in this Supplemental Deed is carried out.