1. INTRODUCTION
2. THE PS1 MDS SLSN SAMPLE
2.1. Pan-STARRS1 Medium Deep Survey
2.2. Classification Spectra
2.3. Light Curves
3. DERIVED PHYSICAL PARAMETERS
3.1. Color and Temperature Evolution
3.2. Expansion Velocity
3.3. Bolometric Light Curves and Total Radiated Energies
4. LIGHT CURVE SHAPES
4.2. Double-peaked Light Curves
5. MAGNETAR FITS TO PS1-11AIB AND PS1-12BQF
5.1. PS1-11aib
5.2. PS1-12bqf
6. LUMINOSITY FUNCTION OF H-POOR SLSNE
7. CONCLUSIONS