Feb 28 (Reuters) - Federal Home Loan Mortgage Corp
* Freddie mac says single-family seriously delinquent rate decreased to 0.99% in january from 1.00% in december
* Freddie mac says multifamily delinquency rate remained flat at 0.03% in january
* Freddie mac says total number of single-family loan modifications were 3,105 in january
* Freddie mac says total mortgage portfolio increased at an annualized rate of 3.7% in january
* Freddie mac says freddie mac mortgage-related securities and other mortgage-related guarantees increased at an annualized rate of 7.4% in january Source text for Eikon: Further company coverage:
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