LANSING, Mich.--(BUSINESS WIRE)--Jackson National Life Insurance Company® (Jackson®) generated a record $1.3 billion in IFRS pretax operating income1 during the first half of 2015, an increase of 14 percent over the first half of 2014. This overall increase was primarily driven by increased fee income on higher separate account assets under management. The separate account growth resulted from both strong net flows and positive market appreciation. Jackson, an indirect wholly owned subsidiary o