An increase in life and health operating profits helped results at Principal Financial Group Inc. during the second quarter.

Here is a summary of the latest life and health insurance industry earnings news:

Principal Financial Group Inc., Des Moines, Iowa

2 Q 2008 Results

NET INCOME: $177 million

REVENUE: $2.7 billion

NET CAPITAL CHANGE: $112 million loss

2 Q 2007 Results

NET INCOME: $312 million

REVENUE: $2.8 billion

NET CAPITAL CHANGE: $55 million gain

- Strong individual life and individual disability results helped increase life and health operating earnings to $67 million, from $60 million.

- U.S. assets under management in the asset accumulation operation held steady at $173 billion.

Health Net Inc., Woodland Hills, Calif.

2 Q 2008 Results

NET INCOME: $77 million

REVENUE: $3.8 billion

MEDICAL MEMBERS: 3.8 million

2 Q 2007 Results

NET INCOME: $92 million

REVENUE: $3.5 billion

MEDICAL MEMBERS: 3.7 million

- Cash flow fell to negative $80 million, from positive $136 million, because of litigation settlement and operations strategy payments and fluctuations in Medicare Part D prescription drug program payments.

Triple-S Management Corp., San Juan, Puerto Rico.

2 Q 2008 Results

NET INCOME: $12 million

REVENUE: $437 million

MEDICAL MEMBERS: 993,609

2 Q 2007 Results

NET INCOME: $21 million

REVENUE: $392 million

MEDICAL MEMBERS: 980,521