However, the board found Pritchard-Davis had engaged well in programmes, was "excited about her future" and had made good decisions about her release plan.
"She has done well in prison for a young woman and is demonstrating clear signs of maturity and positive thinking," Coleman said.
The 21-year-old will be released on August 3 and will be subject to standard and special release conditions.
Special conditions include:
• Not to possess, use, or consume alcohol, controlled drugs or psychoactive substances except controlled drugs prescribed by a health professional.
• To attend an alcohol and drug assessment, and complete any treatment directed by a Probation Officer.