▁hold ings ▁in ▁Kaz akh stan . ▁ ▁On ▁ 2 9 ▁January ▁ 2 0 1 3 , ▁Al ta G as ▁and ▁I dem its u ▁Kos an ▁formed ▁a ▁ 5 0 - 5 0 ▁joint ▁vent ure ▁named ▁T rit on ▁L NG ▁Limited ▁Part ners hip , ▁to ▁export ▁Al berta ▁L NG ▁to ▁Japan . ▁ ▁In ▁February ▁ 2 0 1 3 , ▁Ex x on M obil ▁took ▁over ▁C elt ic ▁Ex pl oration ▁Ltd . ▁in ▁a ▁deal ▁val ued ▁at ▁ ▁b n ▁because ▁of ▁hold ings ▁in ▁the ▁Du vern ay ▁Form ation . ▁ ▁In ▁February ▁ 2 0 1 3 , ▁C NO OC ▁( a ▁Chinese ▁SO E ) ▁purchased ▁for ▁ ▁b n ▁N ex en ▁Canada ▁ ▁In ▁June ▁ 2 0 1 3 , ▁the ▁H . ▁J . ▁Hein z ▁Company ▁was ▁sold ▁to ▁Ber k shire ▁H ath away ▁and ▁ 3 G ▁Capital ▁of ▁Brazil ▁for ▁ ▁b n . ▁The ▁deal ▁had ▁been ▁agreed ▁in ▁February ▁of ▁that ▁year . ▁ ▁In cluded ▁in ▁this ▁deal ▁was ▁the ▁Hein z ▁tom ato ▁k etch up ▁plant ▁in ▁Le am ington , ▁which ▁later ▁was ▁closed ▁in ▁November ▁ 2 0 1 3 , ▁after ▁the ▁October ▁announ cement ▁by ▁Mc Donald ' s ▁that ▁they ▁would ▁stop ▁serving ▁Hein z ▁products ▁in ▁their ▁restaur ants , ▁because ▁the ▁CE O ▁h ired ▁by ▁Hein z , ▁Bern ardo ▁He es ,