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