b'FORGING TRANSFORMATION. FOSTERING SUSTAINABILITY. NOTES TO THE SPECIAL PURPOSE FINANCIAL STATEMENTSFOR THE YEAR ENDED 30 JUNE 2018(Expressed in Trinidad and Tobago Dollars)7.Investment in subsidiary companiesThe investments in subsidiary companies comprise the following companies reported at fair value:20182017$000$000NIPDEC228,636263,314TTMF673,229550,134HMB1,090,0001,187,0401,991,8652,000,488Movement in the carrying value of investments in subsidiaries is as follows:2018NIPDECTTMFHMBTotal$000$000$000$000Balance as at 30 June 2017263,314550,1341,187,0402,000,488PurchasesMarket value adjustments (34,678) 123,095(97,040)(8,623)Balance as at 30 June 2018228,636673,2291,090,0001,991,8652017NIPDECTTMFHMBTotal$000$000$000$000Balance as at 30 June 2016208,580449,9661,184,7091,843,255Purchases7,8007,800Market value adjustments54,734100,168(5,469)149,433Balance as at 30 June 2017263,314550,1341,187,0402,000,488The cost of investment in subsidiaries is as follows: NIPDECTTMFHMBTotal2018$000$000$000$000Balance as at 30 June 201725,0007,200496,404528,604PurchasesBalance as at 30 June 201825,0007,200496,404528,604NIPDECTTMFHMBTotal2017$000$000$000$000Balance as at 30 June 201625,0007,200488,604520,804Purchases7,8007,800Balance as at 30 June 201725,0007,200496,404528,604Shares were purchased on March 14, 2017 in HMB to the value of $7.8 million dollars.53'