June 9 (Reuters) - Root9b Holdings Inc RTNB.O :
* Root9b Holdings Inc - on june 7, co entered into
convertible promissory note amendments with existing holders of
co's unsecured convertible notes
* Root9b Holdings Inc - note amendments extend maturity date
of notes from may 21, 2017 to may 21, 2018 - sec filing
* Root9b Holdings Inc - note amendments increase interest
rate from 10 pct per annum to 15 pct per annum
* Root9b Holdings Inc - note amendments reduce price at
which unsecured notes may be voluntarily converted from $16.80
per to $8.00 per share
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