FACTBOX: Global writedowns and credit losses

(Reuters) - British bank Barclays Plc (BARC.L) reported a 33 percent drop in first-half profits as it took a 2 billion pound ($3.9 billion) write-down on the value of risky assets, but the profit drop was not as steep as expected.

Below is a summary of around $400 billion of credit-related write-downs and losses recorded by major institutions since the credit crunch hit in the third quarter of 2007.

FIRM: AMOUNT:

(billions of dollars)

Citigroup 57.50

Merrill Lynch 46.80

UBS 36.70

AIG 20.23

HSBC 18.70

RBS 16.50

IKB 14.73

Bank of America 14.60

Morgan Stanley 11.70

Wachovia 11.58

Deutsche Bank 11.40

Ambac 9.22