|Shipyard||A.G. Weser, Bremen (Werk 250)|
|Ordered||15 Sep 1915|
|Laid down||30 Nov 1915|
|Launched||27 Jan 1917|
|Commissioned||28 Mar 1917|
|Fate||7 Jul 1917 - Torpedoed by HM Sub J2 at 5800N 0305E. 40 dead (all hands lost).|
There was another U 99 in World War Two
That boat was launched from its shipyard on 12 Mar 1940 and commissioned into the Kriegsmarine on 18 Apr 1940. Take a look at U 99 from WWII.